AWWA B451:2016 pdf download

AWWA B451:2016 pdf download.Poly(Diallyldimethylammonium Chloride)
4.2.1 Potable water applications. PolyDADMAC is a direct additive used in the treatment of potable water. Tis material should be certifed as suitable for contact with, or treatment of, drinking water by an accredited certifcation organization in accordance with NSF/ANSI 60. Evaluation shall be accomplished in accordance with requirements that are no less restrictive than those listed in NSF/ANSI 60. Certifcation shall be accomplished by a certifcation organization accredited by the American National Standards Institute.
4.2.2 Wastewater/reclaimed water applications. PolyDADMAC is a direct additive used in the treatment of wastewater. PolyDADMACs in solution or pow- der form do not need to be certifed as having been manufactured in accordance with this standard because there are no specifc additive (content) requirements in this standard that apply. However, the user may wish to require the use of this standard’s requirements with respect to product marking, packaging, and shipping including security requirements, nonconformance, manufacturing location identi- fcation, quality control test procedure, and product technical data sheet informa- tion requirements. PolyDADMACs in emulsion form should be certifed by their manufacturer or supplier or an accredited certifcation organization as suitable for use in wastewater service applications in accordance with requirements that are no less restrictive than those of this standard.
4.2.3 Afdavit of compliance. Te purchaser may require an afdavit from the manufacturer or supplier that the polyDADMAC product provided complies with all applicable requirements of this standard for potable water or for waste- water, as applicable. Product technical data sheets are required to state whether the product meets all requirements of the latest edition of this standard for potable water and, for emulsion-form polyDADMACs only, for wastewater. For products certifed for potable water, the product technical data sheet is required to state the certifying organization that approved the use of the product for potable use based on NSF/ANSI 60 and the maximum use level permitted by that certifcation.AWWA B451 pdf download.

Download
Download

匿名

Comment

Anonymous